alert tcp any any -> $HOME_NET 27700 (msg:"ET SCADA SEIG Modbus 3.4 - Remote Code Execution"; flow:established,to_server; content:"|42 42 ff ff 07 03 44 00 64|"; fast_pattern; content:"|90 90 90 90 90 90 90 90 90 90|"; distance:0; reference:url,exploit-db.com/exploits/45220/; reference:cve,2013-0662; classtype:attempted-user; sid:2026005; rev:1; metadata:created_at 2018_08_21, cve CVE_2013_0662, confidence High, signature_severity Major, updated_at 2019_07_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)